repo manifest with clone-depth="1". Server error Log:fatal:The remote end hung up unexpectedly

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Lucky Small Jian

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Dec 26, 2017, 12:53:53 PM12/26/17

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repo manifest with clone-depth="1". when run "repo sync" our server have this error Log: fatal:The remote end hung up unexpectedly

View access log,we find have the following correspondence：

If the manifest with clone-depth="1", even if there is no update, there will be two POST and correspond to the error time in Error_log.

How can i solve it, thanks！！

access_log:

our IP - user1 [15/Dec/2017:13:01:51 +0900] "POST /repos/libfaad/git-upload-pack HTTP/1.1" 200 4 "-" "git/1.9.1" "user1 " 890 555

our IP - user1 [15/Dec/2017:13:01:52 +0900] "POST /repos/libfaad/git-upload-pack HTTP/1.1" 200 211 "-" "git/1.9.1" "user1" 901 1207

our IP - user1 [15/Dec/2017:13:02:03 +0900] "POST /repos/ibnl/git-upload-pack HTTP/1.1" 200 4 "-" "git/1.9.1" "user1"1130 778

our IP - user1 [15/Dec/2017:13:02:03 +0900] "POST /repos/libnl/git-upload-pack HTTP/1.1" 200 211 "-" "git/1.9.1" "user1 " 757 2019

error_log:

[Fri Dec 15 13:01:52 2017] [error] [client our IP] fatal: The remote end hung up unexpectedly

[Fri Dec 15 13:02:03 2017] [error] [client our IP] fatal: The remote end hung up unexpectedly

repolog：（GIT_CURL_VERBOSE=1）

> GET /repos/libfaad/info/refs?service=git-upload-pack HTTP/1.1

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept: */*

Accept-Encoding: gzip

Pragma: no-cache

< HTTP/1.1 401 Authorization Required

< Date: Fri, 15 Dec 2017 04:01:51 GMT

* Server Apache is not blacklisted

< Server: Apache

< WWW-Authenticate: Basic realm="Redmine Git Repository"

< Content-Length: 401

< Content-Type: text/html; charset=iso-8859-1

* Ignoring the response-body

* Connection #0 to host our.sourcecode.com left intact

* Issue another request to this URL: 'https://our.sourcecode.com/repos/libfaad/info/refs?service=git-upload-pack'

* Found bundle for host our.sourcecode.com: 0x18d3cd0

* Re-using existing connection! (#0) with host our.sourcecode.com

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#0)

* Server auth using Basic with user 'user1'

> GET /repos/libfaad/info/refs?service=git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept: */*

Accept-Encoding: gzip

Pragma: no-cache

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:01:51 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Transfer-Encoding: chunked

< Content-Type: application/x-git-upload-pack-advertisement

* Connection #0 to host our.sourcecode.com left intact

* Hostname was NOT found in DNS cache

* Trying *.*.*.*...

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#1)

* found 1 certificates in /home/dtv16/ssl_key/private_ca.crt

* SSL re-using session ID

* server certificate verification SKIPPED

* common name: our.sourcecode.com (matched)

* server certificate expiration date OK

* server certificate activation date OK

* certificate public key: RSA

* certificate version: #3

* subject: C=JP,ST=Kanagawa,L=Yokohama,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* start date: Thu, 24 Nov 2016 02:04:53 GMT

* expire date: Sun, 22 Nov 2026 02:04:53 GMT

* issuer: C=JP,ST=Kanagawa,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* compression: NULL

* cipher: AES-256-CBC

* MAC: SHA256

* Server auth using Basic with user 'user1'

> POST /repos/libfaad/git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept-Encoding: gzip

Content-Type: application/x-git-upload-pack-request

Accept: application/x-git-upload-pack-result

Content-Length: 207

* upload completely sent off: 207 out of 207 bytes

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:01:51 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Content-Length: 4

< Content-Type: application/x-git-upload-pack-result

* Connection #1 to host our.sourcecode.com left intact

* Found bundle for host our.sourcecode.com: 0x18db930

* Re-using existing connection! (#1) with host our.sourcecode.com

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#1)

* Server auth using Basic with user 'user1'

> POST /repos/libfaad/git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept-Encoding: gzip

Content-Type: application/x-git-upload-pack-request

Accept: application/x-git-upload-pack-result

Content-Length: 316

* upload completely sent off: 316 out of 316 bytes

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:01:52 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Transfer-Encoding: chunked

< Content-Type: application/x-git-upload-pack-result

* Connection #1 to host our.sourcecode.com left intact

* Hostname was NOT found in DNS cache

* Trying *.*.*.*...

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#0)

* found 1 certificates in /home/dtv16/ssl_key/private_ca.crt

* server certificate verification SKIPPED

* common name: our.sourcecode.com (matched)

* server certificate expiration date OK

* server certificate activation date OK

* certificate public key: RSA

* certificate version: #3

* subject: C=JP,ST=Kanagawa,L=Yokohama,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* start date: Thu, 24 Nov 2016 02:04:53 GMT

* expire date: Sun, 22 Nov 2026 02:04:53 GMT

* issuer: C=JP,ST=Kanagawa,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* compression: NULL

* cipher: AES-256-CBC

* MAC: SHA256

> GET /repos/libnl/info/refs?service=git-upload-pack HTTP/1.1

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept: */*

Accept-Encoding: gzip

Pragma: no-cache

< HTTP/1.1 401 Authorization Required

< Date: Fri, 15 Dec 2017 04:02:02 GMT

* Server Apache is not blacklisted

< Server: Apache

< WWW-Authenticate: Basic realm="Redmine Git Repository"

< Content-Length: 401

< Content-Type: text/html; charset=iso-8859-1

* Ignoring the response-body

* Connection #0 to host our.sourcecode.com left intact

* Issue another request to this URL: 'https://our.sourcecode.com/repos/libnl/info/refs?service=git-upload-pack'

* Found bundle for host our.sourcecode.com: 0x1f22cb0

* Re-using existing connection! (#0) with host our.sourcecode.com

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#0)

* Server auth using Basic with user 'user1'

> GET /repos/libnl/info/refs?service=git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept: */*

Accept-Encoding: gzip

Pragma: no-cache

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:02:02 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Transfer-Encoding: chunked

< Content-Type: application/x-git-upload-pack-advertisement

* Connection #0 to host our.sourcecode.com left intact

* Hostname was NOT found in DNS cache

* Trying *.*.*.*...

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#1)

* found 1 certificates in /home/dtv16/ssl_key/private_ca.crt

* SSL re-using session ID

* server certificate verification SKIPPED

* common name: our.sourcecode.com (matched)

* server certificate expiration date OK

* server certificate activation date OK

* certificate public key: RSA

* certificate version: #3

* subject: C=JP,ST=Kanagawa,L=Yokohama,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* start date: Thu, 24 Nov 2016 02:04:53 GMT

* expire date: Sun, 22 Nov 2026 02:04:53 GMT

* issuer: C=JP,ST=Kanagawa,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* compression: NULL

* cipher: AES-256-CBC

* MAC: SHA256

* Server auth using Basic with user 'user1'

> POST /repos/libnl/git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept-Encoding: gzip

Content-Type: application/x-git-upload-pack-request

Accept: application/x-git-upload-pack-result

Content-Length: 207

* upload completely sent off: 207 out of 207 bytes

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:02:03 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Transfer-Encoding: chunked

< Content-Type: application/x-git-upload-pack-result

* Connection #1 to host our.sourcecode.com left intact

* Found bundle for host our.sourcecode.com: 0x1f2a910

* Re-using existing connection! (#1) with host our.sourcecode.com

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#1)

* Server auth using Basic with user 'user1'

> POST /repos/libnl/git-upload-pack HTTP/1.1

Authorization: Basic YmFpeGs6cWF6d3N4MTIzQlhLLg==

User-Agent: git/1.9.1

Host: our.sourcecode.com

Accept-Encoding: gzip

Content-Type: application/x-git-upload-pack-request

Accept: application/x-git-upload-pack-result

Content-Length: 316

* upload completely sent off: 316 out of 316 bytes

< HTTP/1.1 200 OK

< Date: Fri, 15 Dec 2017 04:02:03 GMT

* Server Apache is not blacklisted

< Server: Apache

< Expires: Fri, 01 Jan 1980 00:00:00 GMT

< Pragma: no-cache

< Cache-Control: no-cache, max-age=0, must-revalidate

< Transfer-Encoding: chunked

< Content-Type: application/x-git-upload-pack-result

* Connection #1 to host our.sourcecode.com left intact

* Hostname was NOT found in DNS cache

* Trying *.*.*.*...

* Connected to our.sourcecode.com (*.*.*.*) port 443 (#0)

* found 1 certificates in /home/dtv16/ssl_key/private_ca.crt

* server certificate verification SKIPPED

* common name: our.sourcecode.com (matched)

* server certificate expiration date OK

* server certificate activation date OK

* certificate public key: RSA

* certificate version: #3

* subject: C=JP,ST=Kanagawa,L=Yokohama,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* start date: Thu, 24 Nov 2016 02:04:53 GMT

* expire date: Sun, 22 Nov 2026 02:04:53 GMT

* issuer: C=JP,ST=Kanagawa,O=ComS,OU=IT,CN=our.sourcecode.com,EMAIL=*******

* compression: NULL

* cipher: AES-256-CBC

* MAC: SHA256

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Lucky Small Jian

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Jan 9, 2018, 8:58:01 AM1/9/18

to Repo and Gerrit Discussion

Thank you, the reason for the problem has been found:

Shallow clone (git clone --depth=1 http://foo/bar.git) uses three request-response cycles (GET, POST, POST) while normal cloning uses only two (GET, POST). There is a bug in the server side Git implementation of 'git clone' (git-upload-pack) where it expects the third request to come on the same connection as the second request.

The result is that the server side Git code returns a non-zero exit status after the second request/response cycle is done. This does not affect the client, which happily makes its three requests to get a shallow clone.